CN106612487B - System and method for testing terminal audio index of private network system - Google Patents
System and method for testing terminal audio index of private network system Download PDFInfo
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Abstract
The invention provides a test system and a test method for a terminal audio index of a private network system, wherein the test system comprises: the system comprises a private network portable network device, a standard terminal, an audio analysis module and a test signal processing module; after the terminal to be tested establishes voice communication with the standard terminal, the audio analysis module sends a voice signal to the terminal to be tested through the test signal processing module, and the terminal to be tested converts the voice signal into a test signal and transmits the test signal to the standard terminal through the private network portable network equipment; the standard terminal is used for modulating and demodulating the test signal and sending the modulated and demodulated test signal to the audio analysis module; the audio analysis module is used for obtaining an audio index of the test signal as an audio index of a sending direction of the terminal to be tested, solving the coding and decoding problems of the private network signal by adding a standard terminal, realizing transmission of the private network wireless signal by utilizing the private network portable network equipment and completing testing of the audio index of the private network audio signal.
Description
Technical Field
The embodiment of the invention relates to a computer technology, in particular to a system and a method for testing a terminal audio index of a private network system.
Background
Currently, in each standard of the existing public network (for example, Global System for mobile communications (GSM)) and Wideband Code Division Multiple Access (WCDMA)), a third Generation Partnership Project (3 GPP) protocol defines an index test method and related indexes of a terminal audio, which mainly include indexes such as loudness, frequency response, distortion and the like of transmission or reception of the terminal audio. The indexes are used for guiding audio related designs such as a microphone, a loudspeaker and a microphone of the terminal, and the audio related performance quality of interconnection and intercommunication among the terminals is guaranteed.
The terminal audio test method mainly relates to a test instrument which comprises an audio analyzer UPV and a terminal comprehensive test instrument. The basic test principle is that an audio analyzer UPV is mainly responsible for testing the sending, receiving and performance analysis of audio signals, a terminal comprehensive tester is responsible for coding and decoding related audio signals, modulating and demodulating wireless communication system protocols, and wireless communication signal air interface transmission is adopted in the test process.
However, due to different wireless communication systems, different audio codecs and different wireless signal transmission modes of the private network, a common terminal comprehensive tester in the above modes cannot test the audio index of the private network terminal, that is, the existing public network terminal audio test system cannot test the audio index of the private network terminal.
Disclosure of Invention
The system and the method for testing the terminal audio indexes of the private network system are used for solving the problem that a common terminal comprehensive tester cannot test the audio indexes of the private network terminal in the above modes because the wireless communication system of the private network is different in audio coding and decoding and different in wireless signal transmission modes, namely the existing public network terminal audio test system cannot test the audio indexes of the private network terminal.
A first aspect of an embodiment of the present invention provides a system for testing a terminal audio indicator in a private network system, including: the system comprises a private network portable network device, a standard terminal, an audio analysis module and a test signal processing module;
after a voice call is established between a terminal to be tested and the standard terminal, if an audio index of the sending direction of the terminal to be tested is detected, the audio analysis module sends a voice signal to the terminal to be tested through the test signal processing module, and the terminal to be tested converts the voice signal into a test signal and transmits the test signal to the standard terminal through the private network portable network equipment; the standard terminal is used for modulating and demodulating the test signal and sending the modulated and demodulated test signal to the audio analysis module; and the audio analysis module is used for acquiring an audio index of the test signal as the audio index of the sending direction of the terminal to be tested.
In an embodiment of the present invention, if an audio index of a receiving direction of the terminal to be tested is detected, the audio analysis module sends a test signal to the standard terminal, the standard terminal is configured to perform coding modulation on the test signal, and sends the test signal after the coding modulation of the standard terminal to the terminal to be tested through the private network portable network device, the terminal to be tested converts the test signal into a voice signal and plays the voice signal, and the test signal processing module is further configured to acquire the voice signal and convert the voice signal into a test signal to send the test signal to the audio analysis module; and the audio analysis module is used for acquiring an audio index of the test signal as the audio index of the receiving direction of the terminal to be tested.
In an embodiment of the present invention, the audio index obtained by the test system includes: speech loudness, frequency response, distortion, background noise.
In an embodiment of the present invention, the test signal processing module is an audio player; the audio analysis module is an audio analyzer UPV.
In an embodiment of the present invention, the test signal processing module is a microphone; the audio analysis module is an audio analyzer UPV.
The second aspect of the embodiments of the present invention provides a method for testing a terminal audio index of a private network system, which is applied to a system for testing a terminal audio index of a private network system, where the system for testing a terminal audio index of a private network system includes a private network portable network device, a standard terminal, an audio analysis module, and a test signal processing module; the test method comprises the following steps:
if the audio index of the sending direction of the terminal to be tested is detected, the audio analysis module sends a voice signal to the terminal to be tested through the test signal processing module;
the terminal to be tested converts the voice signal into a test signal and transmits the test signal to the standard terminal through the private network portable network equipment;
the standard terminal machine modulates and demodulates the test signal and sends the modulated and demodulated test signal to the audio analysis module;
and the audio analysis module detects and acquires an audio index of the test signal as an audio index of the sending direction of the terminal to be tested.
In an embodiment of the present invention, the method further includes:
if the audio index of the receiving direction of the terminal to be tested is detected, the audio analysis module sends a test signal to the standard terminal;
the standard terminal performs code modulation on the test signal and sends the test signal after code modulation to the terminal to be tested through the private network portable network equipment;
the terminal to be tested converts the test signal into a voice signal and plays the voice signal;
the test signal processing module generates a test signal according to the voice signal and sends the test signal to the audio analysis module;
and the audio analysis module detects and acquires an audio index of the test signal as an audio index of the receiving direction of the terminal to be tested.
In an embodiment of the present invention, the sending, by the audio analysis module, a test signal to the terminal to be tested includes:
the audio analyzer UPV sends a test signal to the terminal to be tested through an audio player according to the regulation of ITU-T P501; the test signal processing module is an audio player.
In an embodiment of the present invention, the acquiring the voice signal by the test signal processing module includes:
a microphone collects voice signals played by the terminal to be tested; the test signal processing module is a microphone.
In an embodiment of the present invention, the audio indicator obtained by the audio analysis module includes at least one of a speech loudness, a frequency response, distortion, and background noise.
The system and the method for testing the audio indexes of the terminal in the private network system provided by the embodiment of the invention realize the coding and decoding of the audio signals of the terminal to be tested in the private network and the modulation and demodulation of a communication protocol through the standard terminal, realize the transmission of the test signals in the process of testing the audio indexes of the terminal in the private network by arranging the portable network equipment in the private network, and provide the system capable of testing the audio of the terminal in the private network system.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a system for testing a terminal audio indicator in a private network system according to an embodiment of the present invention;
fig. 2 is a flowchart of a first embodiment of a method for testing a terminal audio indicator of a private network system according to an embodiment of the present invention;
fig. 3 is a flowchart of a first embodiment of a method for testing a terminal audio indicator of a private network system according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of a test system for a terminal audio indicator of a private network system according to an embodiment of the present invention, as shown in fig. 1, the test system provided in this embodiment specifically includes: the system comprises a private network portable network device, a standard terminal, an audio analysis module and a test signal processing module;
after a voice call is established between a terminal to be tested and the standard terminal, if an audio index of the sending direction of the terminal to be tested is detected, the audio analysis module sends a voice signal to the terminal to be tested through the test signal processing module, and the terminal to be tested converts the voice signal into a test signal and transmits the test signal to the standard terminal through the private network portable network equipment; the standard terminal is used for modulating and demodulating the test signal and sending the modulated and demodulated test signal to the audio analysis module; and the audio analysis module is used for acquiring an audio index of the test signal as the audio index of the sending direction of the terminal to be tested.
If the audio index of the receiving direction of the terminal to be tested is detected, the audio analysis module sends a test signal to the standard terminal, the standard terminal is used for carrying out coding modulation on the test signal and sending the test signal after the coding modulation of the standard terminal to the terminal to be tested through the private network portable network equipment, the terminal to be tested converts the test signal into a voice signal and plays the voice signal, and the test signal processing module is also used for collecting the voice signal and converting the voice signal into the test signal to be sent to the audio analysis module; and the audio analysis module is used for acquiring an audio index of the test signal as the audio index of the receiving direction of the terminal to be tested.
In this embodiment, when a specific terminal device is tested, the terminal device to be tested, that is, the terminal to be tested, is also included. The audio index obtained by the test system comprises: at least one of speech loudness, frequency response, distortion, background noise, etc. The audio signal of the terminal under the private network system can be analyzed and measured according to the audio indexes.
In a specific implementation, when an audio index in a sending direction is tested, the test signal processing module is an audio player, also called an artificial mouth; the audio analysis module is an audio analyzer UPV.
As shown in fig. 1, in the transmission direction, the signal between the audio analysis module and the test signal processing module (i.e., the artificial mouth) is a test signal (electrical signal); a voice signal is arranged between the artificial mouth and the terminal to be detected; the wireless signals transmitted by the air interfaces between the terminal to be tested and the portable network equipment of the private network and between the portable network equipment of the private network and the standard terminal are test signals (electric signals) between the standard terminal and the audio analysis module.
As shown in fig. 1, in the receiving direction, the signal between the audio analysis module and the standard terminal is a test signal (electrical signal); the wireless signals transmitted by the air interface are arranged between the private network portable network equipment and the standard terminal machine and between the private network portable network equipment and the terminal to be tested, the signals between the terminal to be tested and the test signal processing module (namely the artificial ear) are voice signals, and the signals between the test signal processing module and the audio analysis module are test signals (electric signals).
When testing the audio index of the receiving direction, the test signal processing module is a microphone and the like, which is also called an artificial ear; the audio analysis module is an audio analyzer UPV.
The receiving direction air interface wireless signal and the sending direction air interface wireless signal respectively indicated in fig. 1 mean that the air interface wireless transmission is realized by the signal transmission mode between the standard terminal and the to-be-detected portable network device through the private network, and may be the to-be-detected signal or the voice signal. The standard test signal indicates a test signal issued according to a certain standard, for example: test signals emitted by the audio player as specified by ITU-t T P501.
The system for testing the audio index of the terminal in the private network system provided by this embodiment implements encoding and decoding of an audio signal of the terminal to be tested in the private network and modulation and demodulation of a communication protocol by a standard terminal, and implements transmission of a test signal in a private network terminal audio index test process by setting a private network portable network device, thereby providing a system capable of testing the audio of the terminal in the private network system.
Fig. 2 is a flowchart of a first embodiment of a method for testing a terminal audio indicator of a private network system according to an embodiment of the present invention, and as shown in fig. 2, the method includes the following specific steps:
s101: and if the audio index of the sending direction of the terminal to be tested is detected, the audio analysis module sends a voice signal to the terminal to be tested through the test signal processing module.
S102: and the terminal to be tested converts the voice signal into a test signal and transmits the test signal to the standard terminal through the private network portable network equipment.
S103: and the standard terminal machine modulates and demodulates the test signal and sends the modulated and demodulated test signal to the audio analysis module.
S104: and the audio analysis module detects and acquires an audio index of the test signal as an audio index of the sending direction of the terminal to be tested.
In the present embodiment, the scheme is applied in the test system shown in fig. 1, and is generally used for testing the objective index of the audio signal. In the test of the audio index of the private network terminal, the basic principle of the sending direction test is as follows: firstly, the terminal to be tested establishes wireless communication connection with the standard terminal, namely, voice communication is established. Then, the audio analyzer sends a test signal specified by a preset protocol, the test signal processing module of the standard sends a voice signal, the audio sending branch of the terminal to be tested processes related voice, the test signal is received by the standard terminal, demodulated, decoded and compensated, the voice signal is sent out, wireless transmission is carried out through the portable network equipment of the private network, and the voice signal is sent to the receiving end of the audio analysis module to carry out performance analysis on the voice signal of the sending branch. And providing objective indexes such as audio indexes of the sending direction of the terminal to be tested, wherein the audio indexes comprise objective indexes such as voice loudness, frequency response, distortion, background noise and the like, and the objective indexes are used for evaluating whether the terminal to be tested meets the definition of 3GPP on the objective indexes of the terminal audio.
Optionally, one specific implementation of the audio analysis module sending the test signal to the terminal to be tested is as follows: the audio analyzer UPV sends a test signal to the terminal to be tested through an audio player according to the regulation of ITU-T P501, and the terminal to be tested acquires the test signal; the test signal processing module is an audio player.
In the sending direction, the terminal to be tested initiates a call and establishes a voice call with the standard terminal. And then the UPV sends a test signal specified by ITU-T P.501, the test signal is sent by an audio player, the voice is collected by a microphone of a terminal to be tested, and then the test signal is demodulated by a private network portable network and a private network terminal standard machine, the voice signal is decoded and sent to the UPV for carrying out voice loudness, frequency response, distortion, background noise (also called noise floor) and other related voice objective index analysis and measurement in the sending direction.
The method for testing the terminal audio index of the private network system provided by the embodiment introduces indexes such as relative loudness, frequency response and distortion sent by a terminal audio into a voice test standard related to the terminal in the private network system, solves the problem of coding and decoding of private network signals by adding a standard terminal, realizes transmission of private network wireless signals by using private network portable network equipment, completes test of the audio index of the private network audio signals, and guides audio related designs such as a private network terminal microphone, a loudspeaker and a microphone by combining the tested audio index, thereby ensuring the audio related performance quality of interconnection and intercommunication among all private network terminals.
Fig. 3 is a flowchart of a first embodiment of a method for testing a terminal audio indicator of a private network system according to an embodiment of the present invention, and as shown in fig. 3, the method includes the following specific steps:
s201: and if the audio index of the receiving direction of the terminal to be tested is detected, the audio analysis module sends a test signal to the standard terminal.
S202: and the standard terminal performs code modulation on the test signal and sends the test signal after code modulation to the terminal to be tested through the private network portable network equipment.
S203: and the terminal to be tested converts the test signal into a voice signal and plays the voice signal.
S204: the test signal processing module generates a test signal according to the voice signal and sends the test signal to the audio analysis module.
S205: and the audio analysis module detects and acquires an audio index of the test signal as an audio index of the receiving direction of the terminal to be tested.
In the present embodiment, the basic principle of the reception direction test is as follows: firstly, a terminal to be tested and a standard terminal establish wireless communication connection. And then, the audio analysis module sends a test signal specified by a preset standard, and the test signal is coded, modulated and compensated by the standard terminal and then is sent to the terminal to be tested through the private network portable network equipment. The audio receiving branch of the terminal to be tested processes voice, the processed voice is collected by the standard test signal processing module and sent to a receiving end of the audio analysis module to analyze the performance of the audio signal of the receiving branch, objective indexes such as loudness, frequency response, distortion and noise of the receiving direction of the terminal to be tested are detected, and the objective indexes are used for evaluating whether the terminal to be tested meets the definition of 3GPP on the objective indexes of the terminal audio.
In a specific implementation scheme, the acquiring, by the test signal processing module, the voice signal is implemented as: a microphone collects voice signals played by the terminal to be tested; the test signal processing module is a microphone.
In the receiving direction, the standard terminal initiates a call and establishes a voice call with the terminal to be tested. Then the UPV sends the test signal specified by ITU-T P.501, and the test signal is coded and modulated by the standard terminal of the private network. The voice signals are transmitted to a loudspeaker or a receiver of a terminal to be tested through the private network portable network equipment, and are collected by a microphone and sent to a UPV (unified power supply) for analyzing and measuring relevant voice objective indexes in the receiving direction, such as voice loudness, frequency response, distortion, background noise and the like.
The method for testing the terminal audio index of the private network system provided by the embodiment introduces indexes such as relative loudness, frequency response and distortion received by a terminal audio into a terminal-related voice test standard in the private network system, solves the problem of coding and decoding of private network signals by adding a standard terminal, realizes transmission of private network wireless signals by using private network portable network equipment, completes test of the audio index of the private network audio signals, and ensures audio-related performance quality of interconnection and intercommunication among private network terminals by combining the tested audio index to guide audio-related designs such as private network terminal microphones, loudspeakers and microphones.
Those of ordinary skill in the art will understand that: all or a portion of the steps of implementing the above-described method embodiments may be performed by hardware associated with program instructions. The program may be stored in a computer-readable storage medium. When executed, the program performs steps comprising the method embodiments described above; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. A test system for audio indexes of a terminal of a private network system is characterized by comprising: the system comprises a private network portable network device, a standard terminal, an audio analysis module and a test signal processing module; the standard terminal is a standard terminal of a private network;
after a voice call is established between a terminal to be tested and the standard terminal, if an audio index of the sending direction of the terminal to be tested is detected, the audio analysis module sends a voice signal to the terminal to be tested through the test signal processing module, and the terminal to be tested converts the voice signal into a test signal and transmits the test signal to the standard terminal through the private network portable network equipment; the standard terminal is used for modulating and demodulating the test signal and sending the modulated and demodulated test signal to the audio analysis module; the audio analysis module is used for acquiring an audio index of the test signal as an audio index of the sending direction of the terminal to be tested;
if the audio index of the receiving direction of the terminal to be tested is detected, the audio analysis module sends a test signal to the standard terminal, the standard terminal is used for carrying out coding modulation on the test signal and sending the test signal after the coding modulation of the standard terminal to the terminal to be tested through the private network portable network equipment, the terminal to be tested converts the test signal into a voice signal and plays the voice signal, and the test signal processing module is also used for collecting the voice signal and converting the voice signal into the test signal to be sent to the audio analysis module; and the audio analysis module is used for acquiring an audio index of the test signal as the audio index of the receiving direction of the terminal to be tested.
2. The test system of claim 1, wherein the audio indicators obtained by the test system comprise: speech loudness, frequency response, distortion, background noise.
3. The test system of claim 1, wherein the test signal processing module is an audio player; the audio analysis module is an audio analyzer UPV.
4. The test system of claim 1, wherein the test signal processing module is a microphone; the audio analysis module is an audio analyzer UPV.
5. A test method of terminal audio index of private network standard is characterized in that the test method is applied to a test system of terminal audio index of private network standard, and the test system of terminal audio index of private network standard comprises a private network portable network device, a standard terminal, an audio analysis module and a test signal processing module; the standard terminal is a standard terminal of a private network; the test method comprises the following steps:
if the audio index of the sending direction of the terminal to be tested is detected, the audio analysis module sends a voice signal to the terminal to be tested through the test signal processing module;
the terminal to be tested converts the voice signal into a test signal and transmits the test signal to the standard terminal through the private network portable network equipment;
the standard terminal machine modulates and demodulates the test signal and sends the modulated and demodulated test signal to the audio analysis module;
the audio analysis module detects and acquires an audio index of the test signal as an audio index of the sending direction of the terminal to be tested;
if the audio index of the receiving direction of the terminal to be tested is detected, the audio analysis module sends a test signal to the standard terminal;
the standard terminal performs code modulation on the test signal and sends the test signal after code modulation to the terminal to be tested through the private network portable network equipment;
the terminal to be tested converts the test signal into a voice signal and plays the voice signal;
the test signal processing module generates a test signal according to the voice signal and sends the test signal to the audio analysis module;
and the audio analysis module detects and acquires an audio index of the test signal as an audio index of the receiving direction of the terminal to be tested.
6. The method of claim 5, wherein the audio analysis module sends a test signal to the terminal under test, comprising:
the audio analyzer UPV sends a test signal to the terminal to be tested through an audio player according to the regulation of ITU-T P501; the test signal processing module is an audio player.
7. The method of claim 5, wherein the test signal processing module collects the speech signal, comprising:
a microphone collects voice signals played by the terminal to be tested; the test signal processing module is a microphone.
8. The method according to any one of claims 5 to 7, wherein the audio indicators obtained by the audio analysis module comprise at least one of speech loudness, frequency response, distortion, and background noise.
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| WO2019047055A1 (en) * | 2017-09-06 | 2019-03-14 | 深圳传音制造有限公司 | Downlink voice anti-noise test system and method for communication terminal |
| CN110120226B (en) * | 2018-02-06 | 2021-09-03 | 成都鼎桥通信技术有限公司 | Private network cluster terminal voice tail noise elimination method and device |
| CN110418268A (en) * | 2019-06-28 | 2019-11-05 | 歌尔股份有限公司 | The test macro and method of microphone Noise, FFT, PSR performance |
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